Support surface for flooring



FIG. 1 is an isometric view of a support surface for flooring comprisingmy new design; and,

FIG. 2 is a bottom view thereof.

The support surface for flooring is shown with three sides broken awayto indicate the claimed design has no specific length or width. It isunderstood that the support surface repeats uniformly throughout thelength and width of the flooring.

The ornamental design for the support surface for flooring, as shown anddescribed.